#!/pxrpythonsubst
#
# Copyright 2017 Pixar
#
# Licensed under the Apache License, Version 2.0 (the "Apache License")
# with the following modification; you may not use this file except in
# compliance with the Apache License and the following modification to it:
# Section 6. Trademarks. is deleted and replaced with:
#
# 6. Trademarks. This License does not grant permission to use the trade
#    names, trademarks, service marks, or product names of the Licensor
#    and its affiliates, except as required to comply with Section 4(c) of
#    the License and to reproduce the content of the NOTICE file.
#
# You may obtain a copy of the Apache License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the Apache License with the above modification is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the Apache License for the specific
# language governing permissions and limitations under the Apache License.

import unittest
from pxr import Sdf

class TestSdfTimeSampleOrdering(unittest.TestCase):
    layerText = '''#sdf 1.4.32
def "Prim"{
    int i.timeSamples = {-1 : -10, 0 : 0, 1 : 10}
}
'''
    def test_negativeTimeSamples(self):
        layer = Sdf.Layer.CreateAnonymous()
        layer.ImportFromString(self.layerText)
        primSpec = layer.GetPrimAtPath('/Prim')
        attributeSpec = primSpec.attributes['i']
        timeSamples = attributeSpec.GetInfo('timeSamples')
        self.assertEqual(list(timeSamples), sorted(list(timeSamples)))
        
if __name__ == '__main__':
    unittest.main()    
